Mercedes GLA X156 Edge Seal Front Door Right Left N/O/S Gasket A1566920076

Mercedes GLA X156 Edge Seal Front Door Right Left is a precision-fitted body component, designed specifically for the front doors of this model. The original seal design ensures a tight closure of the door leaf, reducing noise, moisture ingress, and unwanted debris into the vehicle interior. It is a practical solution for users who want to technically restore the factory acoustic comfort and cabin protection parameters.

Specifications and technical data

• SKU: A1566920076
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1566920076
• Substitutable numbers: A1566920076, A 156 692 00 76
• Location on the vehicle: Front, Left, Right
• Category: Door Seals

Purpose and function of the seal

The presented edge seal belongs to the Door seals category and is intended for installation on the front doors on both the left and right sides. Its task is to provide a stable seal for the door perimeter at the critical contact point with the bodywork, which helps reduce wind noise while driving, improves thermal insulation, and provides protection against precipitation.

The element has been designed to maintain the correct geometry of adhesion to the door frame, so that after proper installation, the doors close with the appropriate resistance, without the need for additional adjustments to hinges or locks. This is particularly important for vehicles operated in varied weather conditions, where the tightness of the door perimeter has a direct impact on the durability of the upholstery and internal components.

Body compatibility and installation

The seal has been prepared for use in the front body area, on the driver and passenger doors. The edge design allows for installation at factory mounting points, without the need for bodywork modifications or the use of non-standard mounting methods. As a result, the replacement process can be carried out in an orderly manner, in accordance with the vehicle manufacturer's technology.

When properly installed, the seal works with other door perimeter components, such as locks, hinges, and other sealing profiles, creating a cohesive cabin protection system. Proper positioning on the door edge minimizes the risk of point leaks that could result in water ingress or increased noise at higher speeds.

Product characteristics and benefits of use

As a component from the Mercedes brand, the seal maintains the correct fit to the geometry of the GLA X156 model doors. The appropriate cross-section profile and the way it is routed around the door perimeter allow for maintaining the factory closing character – without excessive play and without excessive pressure that could hinder daily operation.

Key benefits of using this component include:

• restoration of proper front door perimeter sealing,
• reduction of cabin noise caused by airflow,
• increased protection against moisture and dirt in the sill area,
• maintaining a consistent, factory look of the door edge.

The used product allows for an economical repair while maintaining the original design specifications, which is particularly important for users who care about technical compliance with the manufacturer's solutions.

Professional use in service and renovation

The front door edge seal will prove useful both in professional body and paint shops and in workshops dealing with body renovation. It can be used when replacing doors, during post-accident repairs, or when removing the effects of many years of operation, when the original sealing elements have lost their properties.

Choosing an original seal from this group allows you to reduce the risk of fitment problems typical of universal profile replacements. This makes it easier to maintain stable door performance over a long period of use, which translates into comfort for the driver and passengers.

Expanding the scope of service work

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as additional sealing profiles, protective strips, or rebate seals, check the available parts in the Mercedes door seals category.

For users interested in a broader context of selecting used parts and the differences between equipment lines and components with higher parameters, an article describing the specifics of M and M Performance class components may be helpful – you can find it here: BMW M Performance: how do BMW M components differ from standard ones?.